package org.csmzxy.class2333;
class BankAccount1 {
    String accountNumber;
    double balance;
    public void broadcast(String accountNumber,double balance) {
        System.out.println("账户" + accountNumber + "的余额为" + balance + "元");
    }
}
public class example03 {
    public static void main(String[] args) {
        BankAccount1 account = new BankAccount1();
        account.accountNumber = "123456";
        account.balance = -500;
        account.broadcast(account.accountNumber, account.balance);
    }
}